Home / 2,163,361.86-2,985,180.45-1,196,360.82

Finding the Fourth Proportional to 2,163,361.86, 2,985,180.45 and 1,196,360.82

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Solution

The fourth proportional to 2,163,361.86, 2,985,180.45 and 1,196,360.82 is: 1,650,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,361.86 : 2,985,180.45 = 1,196,360.82 : x
  2. Step 2: Convert to fraction form
    2,163,361.86/2,985,180.45 = 1,196,360.82/x
  3. Step 3: Cross multiply
    2,163,361.86x = 2,985,180.45 × 1,196,360.82
  4. Step 4: Simplify right side
    2,163,361.86x = 3,571,352,931,009.97
  5. Step 5: Solve for x
    x = 3,571,352,931,009.97/2,163,361.86
  6. Step 6: Final answer
    x = 1,650,834.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.